Male and female black widow spiders exhibit striking differences. Females are larger, with glossy black bodies and a red hourglass marking, while males are smaller and drabber. Females are known ...

Male and female black widow spiders may belong to the same species, but they differ in many significant ways. Female black widows are famous for their glossy black bodies and the red hourglass ...

No wonder they’re called widow spiders. To get sex with an older female, a male might ... start to eat him alive. If he survived, he might try to mate again or be too maimed to do so.

The animals most at risk from the black widow's bite are insects—and male black widow spiders. Females sometimes kill and eat their counterparts after mating in a macabre behavior that gave the ...